Side by side
Shiro Kara RCF StormtroopervsSeiko Prospex SPEEDTIMER
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
RCF Stormtrooper39mm
Prospex SPEEDTIMER41.4mm
Power Reserve
RCF Stormtrooper41h
Prospex SPEEDTIMER40h
Water Resistance
RCF Stormtrooper100m
Prospex SPEEDTIMER100m
MSRP
RCF Stormtrooper$448
Prospex SPEEDTIMER$750
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
39mm
41.4mm
Thickness
11.9mm
13mm
Lug-to-Lug
47.5mm
45.9mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
—
Black
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
Seiko NH35
V192
Type
Automatic
Quartz
Power Reserve
41h
40h
Pricing
1 specsMSRP
$448
$750
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